Fix withHoverProps using onMouseEnter and onMouseLeave

[deepsweet]

Because onMouseOver and onMouseOut bubbles up to the DOM triggering unnecessary re-renders every time you hover on any children of wrapped with this HOC component. onMouseEnter and onMouseLeave stops this madness and works just like "hover".

See https://api.jquery.com/mouseenter/ and https://api.jquery.com/mouseleave/ for further details.

This is a breaking change because we need to change props mapping in every wrapped component (if it's not in {...props} ofc).

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